David Andreoff Evans
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David A. Evans (born 1948, St Louis, United States) is the president, CEO, and chief scientist of JustSystems Evans Research, Inc. (JSERI). He is a prominent figure in the field of computational linguistics, best known for research on work in indexing using natural language processing, and in ontology learning, especially in medical informatics.
He attended Stanford University, receiving his Ph.D. in Computational Linguistics there in 1982. He was on the faculty of Carnegie Mellon University from 1983 until 1996, and founded their Computational Linguistics Program and Laboratory for Computational Linguistics (1986). In 1993, his research was spun-out from Carnegie-Mellon, as Claritech. Claritech became a research and development subsidiary of JustSystems and its name was changed to Clairvoyance Corporation in 1996, before becoming JSERI in 2007.
Contributions
He has made many contributions to the field of computational linguistics and information retrieval,[1] authoring books, many research papers and 24 US patents.
From 1988 onwards, he developed the CLARIT system, one of the first large scale information indexing and extraction systems based on syntactic language analysis and ontology discovery. The system has participated in the first Text REtrieval Conferences (TREC), in the multilingual CLEF (Cross Language Evaluation Forum),[2] and in the Asian NTCIR] (NII Test Collection for IR Systems)[3] Evaluations.
Evans was elected a Fellow of the American College of Medical Informatics in 2000.
Publications
Books
- Evans, David A., and Vimla L. Patel. Cognitive Science in Medicine: Biomedical Modeling. Cambridge, Mass: MIT Press, 1989. According to WorldCat, the book is held in 246 libraries [4]
Journal articles
His most highly cited paper is
- Jerry R. Hobbs and David Andreoff Evans "Conversation as planned behavior" Cognitive Science Volume 4, Issue 4, October–December 1980, Pages 349-377 [5] (cited 183 times according to WorldCat)
References
- ^ Noun-phrase analysis in unrestricted text for information retrieval, David A. Evans and Chengxiang Zhai. Proceedings of the 34th Annual Meeting of the Association for Computational Linguistics, 1996, pp. 17–24
- ^ Cross Language Evaluation Forum (CLEF).
- ^ NTCIR, National Institute of Informatics Test Collection for IR Systems.
- ^ WorldCat book entry
- ^ [1]
External links
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- Articles with a promotional tone from September 2008
- Articles with topics of unclear notability from September 2008
- 1948 births
- Living people
- Stanford University alumni
- Carnegie Mellon University faculty
- American computer scientists
- American linguists
- Computational linguistics researchers
- Businesspeople from Pennsylvania